Bayou Manchac at Alligator B. near Kleinpeter water level
River gauge, Bayou Manchac, Louisiana, United States
Right now
Normal for mid-October
Water level
History
20252026
What this means
Bayou Manchac at Alligator B. near Kleinpeter is at 1.76 ft, in the normal range for mid-October.
The median for mid-October is 1.98 ft, based on 26 years of readings, so the river stage is 0.22 ft below typical. On the same day last year the reading was 2.28 ft, a difference of −0.52 ft.
It has dropped 0.54 ft over the past 24 hours. In the last month it has stayed between 1.44 ft and 3.31 ft.
Fall is often low-water season on rivers, until steadier rain returns.
Compared with 26 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 1.98 ft0.22 ft below the median for this date
- Normal for this date
- 0.84 ft – 4.32 ft8 years in 10 fall in this range (26 years of records)
- Same day last year
- 2.28 ft−0.52 ft
- Lowest and highest in 30 days
- 1.44 ft – 3.31 ft
- Lowest and highest in 12 months
- −0.12 ft – 11.39 ft
- Highest on record
- 15.13 ftAugust 15, 2016
Floating and fishing near Bayou Manchac at Alligator B. near Kleinpeter
Normal flows mean predictable rapids and good access at most put-ins.
Highest crests on record
| Rank | Level | Date |
|---|---|---|
| 1 | 15.13 ft | August 15, 2016 |
| 2 | 10.14 ft | June 5, 2001 |
| 3 | 10.00 ft | March 3, 1966 |
| 4 | 9.44 ft | December 23, 1961 |
| 5 | 9.43 ft | January 21, 2013 |
| 6 | 9.18 ft | December 20, 2009 |
| 7 | 9.18 ft | December 21, 2009 |
| 8 | 9.03 ft | April 26, 1973 |
| 9 | 8.70 ft | September 16, 1977 |
| 10 | 8.46 ft | January 9, 2007 |
Weather at the gauge
No rain in the last 3 days.
Forecast: Open-Meteo
Map
Other gauges on Bayou Manchac
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Bayou Manchac near Little PrairieRiver gauge, Bayou Manchac | 2.85 ft | High | −0.07 ft | 6 mi |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Alligator Bayou near KleinpeterRiver gauge, Alligator Bayou | 2.14 ft | Normal | −0.06 ft | 0.0 mi |
| Bluff Swamp near KleinpeterRiver gauge, Bluff Swamp | 2.18 ft | Normal | −0.06 ft | 0.2 mi |
| Muddy Creek at Hwy 42 near Oak GroveRiver gauge, Muddy Creek | 2.86 ft | Low | +0.02 ft | 4.0 mi |
| Grand Goudine at Babin Rd Near DuplessisRiver gauge, Grand Goudine | 1.88 ft | Very low | −0.02 ft | 5.3 mi |
| Black Bayou at Hwy 621 near PrairievilleRiver gauge, Black Bayou | 2.09 ft | Very high | −0.02 ft | 7 mi |
| Ward Creek at Essen Lane near Baton RougeRiver gauge, Ward Creek | 7.86 ft | Very low | +0.01 ft | 8 mi |
| North Branch Ward Creek at Baton RougeRiver gauge, North Branch Ward Creek | 14.06 ft | Normal | +0.17 ft | 8 mi |
| Henderson Bayou near Port VincentRiver gauge, Henderson Bayou | 2.04 ft | High | −0.08 ft | 8 mi |
Questions and answers
Is Bayou Manchac at Alligator B. near Kleinpeter higher than last year?
No, it is 0.52 ft lower than on the same day last year, when the reading was 2.28 ft.
What is a normal level for Bayou Manchac at Alligator B. near Kleinpeter in mid-October?
The median for mid-October is 1.98 ft. In 8 years out of 10 the reading falls between 0.84 ft and 4.32 ft, based on 26 years of records.
Is gage height the same as water depth?
No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.
What is the water level of Bayou Manchac at Alligator B. near Kleinpeter today?
On Oct 20, 2026, 10:00 PM CDT, the water level was 1.76 ft. Down 0.54 ft over the last 24 hours.
Is Bayou Manchac at Alligator B. near Kleinpeter rising or falling?
Down 0.54 ft over the last 24 hours. Steady over the last 7 days.
Is the level of Bayou Manchac at Alligator B. near Kleinpeter normal?
Normal for mid-October. Compared with 26 years of daily readings for this time of year.
What is the highest water level ever recorded at Bayou Manchac at Alligator B. near Kleinpeter?
The highest level on record is 15.13 ft on August 15, 2016.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:07378746(Agency page)- Coordinates
30.32139, -91.02094(WGS84)- Vertical datum
- NAVD88
- Update interval
- every 15 minutes
- Licence
- Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 1.76 ft | 2026-10-21 03:00 | Provisional |
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How to cite
U.S. Geological Survey: Bayou Manchac at Alligator B. near Kleinpeter (usgs:07378746). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/louisiana/bayou-manchac-at-alligator-b-near-kleinpeter
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer